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* trie: add start key to NodeIterator constructorsFelix Lange2017-04-251-3/+4
| | | | | | | | | The 'step' method is split into two parts, 'peek' and 'push'. peek returns the next state but doesn't make it current. The end of iteration was previously tracked by setting 'trie' to nil. End of iteration is now tracked using the 'iteratorEnd' error, which is slightly cleaner and requires less code.
* trie: clean up iterator constructorsFelix Lange2017-04-251-2/+2
| | | | | | | Make it so each iterator has exactly one public constructor: - NodeIterators can be created through a method. - Iterators can be created through NewIterator on any NodeIterator.
* trie: rework and document key encodingFelix Lange2017-04-251-3/+3
| | | | | 'encode' and 'decode' are meaningless because the code deals with three encodings. Document the encodings and give a name to each one.
* trie: remove Key in MissingNodeErrorFelix Lange2017-04-181-1/+0
| | | | | | The key was constructed from nibbles, which isn't possible for all nodes. Remove the only use of Key in LightTrie by always retrying with the original key that was looked up.
* all: blidly swap out glog to our log15, logs need reworkPéter Szilágyi2017-02-231-8/+7
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* trie: remove dependency on ethdbFelix Lange2017-01-061-1/+5
| | | | This removes the core/types -> leveldb dependency.
* cmd/geth, trie: report on trie cache unloads, also add debug logPéter Szilágyi2016-10-191-0/+7
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* trie: add metric to track cache unloading (#3175)Felix Lange2016-10-191-1/+4
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* trie: make the cache miss counter a real metricFelix Lange2016-10-191-7/+5
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* Merge pull request #3153 from fjl/trie-unload-fixJeffrey Wilcke2016-10-191-10/+11
|\ | | | | trie: improve cache unloading mechanism
| * trie: ensure resolved nodes stay loadedFelix Lange2016-10-181-4/+7
| | | | | | | | | | | | | | | | Commit 40cdcf1183 broke the optimisation which kept nodes resolved during Get in the trie. The decoder assigned cache generation 0 unconditionally, causing resolved nodes to get flushed on Commit. This commit fixes it and adds two tests.
| * trie: avoid loading the root node twiceFelix Lange2016-10-181-6/+4
| | | | | | | | | | New checks whether the root node is present by loading it from the database. Keep the node around instead of discarding it.
* | cmd/geth, trie: track and report trie cache missesPéter Szilágyi2016-10-191-0/+14
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* trie, core/state: improve memory usage and performance (#3135)Felix Lange2016-10-151-57/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * trie: store nodes as pointers This avoids memory copies when unwrapping node interface values. name old time/op new time/op delta Get 388ns ± 8% 215ns ± 2% -44.56% (p=0.000 n=15+15) GetDB 363ns ± 3% 202ns ± 2% -44.21% (p=0.000 n=15+15) UpdateBE 1.57µs ± 2% 1.29µs ± 3% -17.80% (p=0.000 n=13+15) UpdateLE 1.92µs ± 2% 1.61µs ± 2% -16.25% (p=0.000 n=14+14) HashBE 2.16µs ± 6% 2.18µs ± 6% ~ (p=0.436 n=15+15) HashLE 7.43µs ± 3% 7.21µs ± 3% -2.96% (p=0.000 n=15+13) * trie: close temporary databases in GetDB benchmark * trie: don't keep []byte from DB load around Nodes decoded from a DB load kept hashes and values as sub-slices of the DB value. This can be a problem because loading from leveldb often returns []byte with a cap that's larger than necessary, increasing memory usage. * trie: unload old cached nodes * trie, core/state: use cache unloading for account trie * trie: use explicit private flags (fixes Go 1.5 reflection issue). * trie: fixup cachegen overflow at request of nick * core/state: rename journal size constant
* trie: fix delete bug for values contained in fullNodeFelix Lange2016-09-301-0/+3
| | | | | | | | | Delete crashed if a fullNode contained a valueNode directly. This bug is very unlikely to occur with SecureTrie, but can happen with regular tries. This commit also introduces a randomised test which triggers all trie operations, which should prevent such bugs in the future. Credit for finding this bug goes to Github user @rjl493456442.
* trie: remove dependency on package cryptoFelix Lange2016-09-301-3/+6
| | | | | Package crypto needs cgo, which is inconvenient for some build configurations.
* core, trie: replace state caches with trie journalFelix Lange2016-09-281-167/+45
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* core, core/state, trie: enterprise hand-tuned multi-level cachingPéter Szilágyi2016-05-261-87/+150
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* all: Rename crypto.Sha3{,Hash}() to crypto.Keccak256{,Hash}()Ricardo Catalinas Jiménez2016-02-221-1/+1
| | | | As we aren't really using the standarized SHA-3
* light: implemented odr-capable trie and state structureszsfelfoldi2015-12-171-2/+3
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* trie: added error handlingzsfelfoldi2015-12-011-58/+146
| | | | Created alternate versions of Trie and SecureTrie functions that can return a MissingNodeError (used by ODR services)
* eth/downloader: concurrent receipt and state processingPéter Szilágyi2015-10-191-0/+5
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* core, trie: new trieFelix Lange2015-09-231-293/+346
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* eth, trie: removed key prefixing from state entries & merge db fixJeffrey Wilcke2015-08-141-2/+0
| | | | | | | | | Fixed database merge strategy to use the correct database. Due to a copy paste fail when doing type evaluation the same database was being iterated (chain), all others were ignored. Removed state prefixing because {H(code): code} is stored in the same database as the rest of the state.
* core, eth, trie, xeth: merged state, chain, extra databases in oneJeffrey Wilcke2015-08-081-0/+2
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* faster hex-prefix codec and string -> []byteEthan Buchman2015-08-061-5/+5
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* all: fix license headers one more timeFelix Lange2015-07-241-1/+1
| | | | I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
* all: update license headers to distiguish GPL/LGPLFelix Lange2015-07-231-4/+4
| | | | | All code outside of cmd/ is licensed as LGPL. The headers now reflect this by calling the whole work "the go-ethereum library".
* all: add some godoc synopsis commentsFelix Lange2015-07-071-0/+1
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* all: update license informationFelix Lange2015-07-071-0/+16
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* trie: dirty trackingJeffrey Wilcke2015-07-041-8/+29
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* fixed testsobscuren2015-03-191-2/+7
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* Fixed mkdnode & added some testsobscuren2015-03-191-5/+7
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* Moved ethutil => commonobscuren2015-03-161-8/+8
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* Fixed a copy issue in the trie which could cause a consensus failureobscuren2015-02-031-5/+16
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* Moved ptrie => trie. Removed old trieobscuren2015-01-081-509/+216
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* Refactored ethutil.Config.Db outobscuren2015-01-071-9/+5
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* Added some comparison tests for the new ptrieobscuren2014-11-181-1/+6
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* Transaction execution fixesobscuren2014-11-121-13/+19
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* Added storage root to dumpobscuren2014-11-041-1/+1
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* ethtrie => trieobscuren2014-10-311-0/+620